Can you think of any three-dimensional shape that comprises of exactly two surfaces?

What is both possible and impossible at the same time?

Decode below rebus
D
N
A
T
S , D

If 1+9+8=1, what is 2+8+9?

I have feet, but no legs. Which animal Am I?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

What does below rebus means ?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H